The stethoscope for listening to the heart is over. It's obsolete.

For people who have heart disease, statins are great. But if all you've had is high cholesterol, what you're doing is taking this 1/100 chance of getting a benefit and offsetting it with 1/200 chance of getting diabetes.

The ability to diagnose an imminent heart attack has long been considered the holy grail of cardiovascular medicine.

If you sequence a cancerous tumor, you should be able to tailor the therapy according to the root cause of the cancer. But it has taken so long to do the sequencing - which also requires time to prepare the samples and interpret the deluge of data that comes out - that the patients are already undergoing therapy by the process if over.

I use a portable pocket ultrasound device instead of a stethoscope to listen to the heart, and I share it with the patient in real time. 'Look at your valve, look at your heart-muscle strength.' So they're looking at it with me. Normally a patient is tested by an ultrasonographer who is not allowed to tell them anything.

It's infrequent that people are rail thin yet have high blood pressure.